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DSZH Tube fitting inches 3/8" - HVAC Tools
DSZHHVAC Tools

DSZH Tube fitting inches 3/8"

DSZH tube fitting with 3/8 inch (DN8) brass nuts for HVAC refrigeration systems. Rated for R22, R134a, R404, R407C, R410, and R507 refrigerants. Fluid Group II designation suits medium-pressure cooling and heating…

SKU 3G-CBM-01596

Also listed as: COR 50123 · COR-50123

Brand
DSZH
Item
Tube fitting inches 3/8"
Category
HVAC Tools
UNSPSC
41112509 — Air velocity and temperature monitors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DSZH
type
Tube fitting brass nuts
fluid group
II
nominal bore
DN8 (3/8 inch)
refrigerants
R22, R134a, R404, R407C, R410, R507
rohs directive
2011/65/EU
pressure directive
2014/68/EU

Datasheet Content

DECLARATION OF CONFORMITY, BRASS NUTS The Pressure Equipment Directive 2014/68/EU, The RoHS 2 Directive 2011/65/EU rev 04 dated 19/07/2016 Description of pressure equipment Brass nuts Models NS-4, NS-5, NS-6, NS-8, NRS4-64, NRS4-65, NRS4-86, NRS4-108, NRS4-1210, NRS4-1614, NS4-4, NS4-4M6, NS4-5, NS4-6M6, NS4- 5M8, NS4-6, NS4-6M8, NS4-6M10, NS4-8, NS4-8M10, NS4-8M12, NS4-10, NS4-10M12, NS4-10M14, NS4-10M16, NS4-12, NS4- 12M14, NS4-12M16, NS4-12M18, NS4-14, NS4-14M22, SFC-4, SFC-6, 'SFC-8, SFC-10 Classified for Fluid group Il, R22, R134a, R404, R407C, R410, R507 (non-taxie and non-flammable refrigerants) Nominal bore DN4,5 (1/4 in), DN8 {3/8 in), DNlO (1/2 in), DN13 {5/8 in), DN16 {3/4 in) and DN19 {7/8 in) Temperature range ° ° ° -40° C / +150 C {-40 F / 302 F) Maximum allowable working pressure {PS) 45 bar {650 psi) Burst pressure > 3 X PS Declaration We hereby declare that mentioned equipment for fluid group Il are covered by Article 4, paragraph 3 of The Pressure Equipment Directive 2014/68/EU effective from July 19 th' 2016. Compliance with EU Directive 2011/65/EU (RoHS) This product conforms to the restriction of the used lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls 1h {PBB), and polybrominated diphenyl ethers {PBDE) as described in Directive 2011/65/EU of June 8 2011 and subsequental emendaments Reference of the Technical Standards and Specification used EN 378, EN 12284, EN 16084 Material Copper alloys compliant to standards EN 12164, EN 12165, and EN 12449 Name ing. Andrea Pe Date 19/07/2016

Technical Documents

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DSZH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

DSZH tube fitting with 3/8 inch (DN8) brass nuts for HVAC refrigeration systems. Rated for R22, R134a, R404, R407C, R410, and R507 refrigerants. Fluid Group II designation suits medium-pressure cooling and heating applications.

Frequently Asked Questions

What is the DSZH tube fitting 3/8 inch used for?

The DSZH tube fitting with 3/8 inch brass nuts is used in HVAC refrigeration systems to connect copper tubing. It is suitable for medium-pressure cooling and heating applications using refrigerants such as R22, R134a, R404, R407C, R410, and R507, classified as Fluid Group II.

What are the specifications of the DSZH tube fitting 3/8 inch?

The DSZH tube fitting has a nominal bore of DN8 (3/8 inch) and brass nuts. It is rated for a maximum allowable working pressure of 45 bar and a temperature range of -40°C to +150°C. The fitting complies with the Pressure Equipment Directive 2014/68/EU and RoHS Directive 2011/65/EU.

Where to buy DSZH tube fittings in Singapore?

You can source DSZH tube fittings in Singapore through 3G Electric. We handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on orders for the 3/8 inch brass nut model.

How to install DSZH tube fitting 3/8 inch brass nuts?

To install the DSZH tube fitting, ensure the copper tube is clean and deburred. Slide the brass nut over the tube, then tighten it onto the matching fitting using two wrenches—one to hold the fitting body and one to turn the nut. Avoid overtightening to prevent damage to the seal.

Used in

Common applications for DSZH
Split-system air-conditioner service: DSZH manifold bases and SAE/NPT reducers integrate with technician gauge sets for pressure monitoring and refrigerant charge.
Rooftop packaged unit maintenance: Flare connector caps, hose tips, and union fittings expedite field replacement of damaged lines and adapters on commercial cooling systems.
Refrigerant recovery and recycling: DSZH bottle adapters (R600A-rated) connect recovery cylinders to hose lines, enabling safe extraction of flammable and standard refrigerants.
Process-cooling loop installation: SAE straight male/female unions and reducers support temporary or permanent manifold assembly on industrial water-chilled equipment.
Heat-pump seasonal service: DSZH dudgeon extensions and adapter kits allow technicians to connect diagnostic gauges to restricted or recessed access ports on reversing-valve manifolds.
Field emergency repairs: Individual DSZH fittings stocked in stock allow technicians to repair or modify hose connections on-site without returning to the shop for components.

DSZH Products

3G Electric supplies DSZH hvac tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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